120101200011 has 16 divisors (see below), whose sum is σ = 191614450720. Its totient is φ = 73908430560.

The previous prime is 120101199989. The next prime is 120101200019. The reversal of 120101200011 is 110002101021.

It is a happy number.

It is not a de Polignac number, because 120101200011 - 2⁹ = 120101199499 is a prime.

It is a super-3 number, since 3×120101200011³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101199966 and 120101200002.

It is not an unprimeable number, because it can be changed into a prime (120101200019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171083980 + ... + 171084681.

It is an arithmetic number, because the mean of its divisors is an integer number (11975903170).

Almost surely, 2^120101200011 is an apocalyptic number.

120101200011 is a deficient number, since it is larger than the sum of its proper divisors (71513250709).

120101200011 is a wasteful number, since it uses less digits than its factorization.

120101200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342168683 (or 342168677 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120101200011 its reverse (110002101021), we get a palindrome (230103301032).

The spelling of 120101200011 in words is "one hundred twenty billion, one hundred one million, two hundred thousand, eleven".